Ha cha cha
What Mortimer Mouse says when he's trying to steal Mickey Mouse's spotlight and failing at it.
Mortimer Mouse said 'ha cha cha' when he tried to take over the park and failed.
I saw Mortimer Mouse say 'ha cha cha' when he tried to steal Mickey's hat.
Mortimer Mouse yelled 'ha cha cha' when he got stuck in a tree and couldn't get down.